Windows CVE-2026-20940
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows Cloud Files Mini Filter Driver contains a heap-based buffer overflow that enables local privilege escalation on Windows 10 1809, Windows Server 2016, and Windows Server 2022. An authenticated attacker can exploit this vulnerability to gain elevated system privileges without user interaction. …
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RemediationAI
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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